dispose cache must be annotated with @PreDestroy to ensure correct shutdown

git-svn-id: https://svn.apache.org/repos/asf/archiva/redback/redback-components/trunk@1425283 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/spring-cache-providers/spring-cache-ehcache/src/main/java/org/apache/archiva/redback/components/cache/ehcache/EhcacheCache.java b/spring-cache-providers/spring-cache-ehcache/src/main/java/org/apache/archiva/redback/components/cache/ehcache/EhcacheCache.java
index 07be067..1132b87 100644
--- a/spring-cache-providers/spring-cache-ehcache/src/main/java/org/apache/archiva/redback/components/cache/ehcache/EhcacheCache.java
+++ b/spring-cache-providers/spring-cache-ehcache/src/main/java/org/apache/archiva/redback/components/cache/ehcache/EhcacheCache.java
@@ -30,6 +30,7 @@
 import org.slf4j.LoggerFactory;
 
 import javax.annotation.PostConstruct;
+import javax.annotation.PreDestroy;
 
 /**
  * EhcacheCache
@@ -214,6 +215,7 @@
         }
     }
 
+    @PreDestroy
     public void dispose()
     {
         if ( cacheManager.getStatus().equals( Status.STATUS_ALIVE ) )